Home / 1,914,701.18-2,642,253.40-1,043,543.76

Finding the Fourth Proportional to 1,914,701.18, 2,642,253.40 and 1,043,543.76

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Solution

The fourth proportional to 1,914,701.18, 2,642,253.40 and 1,043,543.76 is: 1,440,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,701.18 : 2,642,253.40 = 1,043,543.76 : x
  2. Step 2: Convert to fraction form
    1,914,701.18/2,642,253.40 = 1,043,543.76/x
  3. Step 3: Cross multiply
    1,914,701.18x = 2,642,253.40 × 1,043,543.76
  4. Step 4: Simplify right side
    1,914,701.18x = 2,757,307,047,908.78
  5. Step 5: Solve for x
    x = 2,757,307,047,908.78/1,914,701.18
  6. Step 6: Final answer
    x = 1,440,071.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.